BUG: unable to handle page fault for address: ffffffff00000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD df3b067 P4D df3b067 PUD 0 
Oops: Oops: 0010 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted 6.16.0-rc4-next-20250704-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:0xffffffff00000000
Code: Unable to access opcode bytes at 0xfffffffeffffffd6.
RSP: 0018:ffffc90000a08bd8 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff8880814f4000 RCX: 582a5824d2218700
RDX: 0000000000000001 RSI: ffffffff8db9b790 RDI: ffff8880814f4000
RBP: ffffc90000a08e30 R08: 0000000000000000 R09: ffffffff81a83334
R10: dffffc0000000000 R11: ffffffff00000000 R12: ffffffff00000000
R13: ffffffff81a83334 R14: 1ffff1101029e801 R15: ffff8880814f4008
FS:  0000000000000000(0000) GS:ffff888125ce7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffeffffffd6 CR3: 000000007721e000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 handle_softirqs+0x283/0x870 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:rcu_preempt_read_enter kernel/rcu/tree_plugin.h:391 [inline]
RIP: 0010:__rcu_read_lock+0x2a/0x60 kernel/rcu/tree_plugin.h:414
Code: f3 0f 1e fa 53 65 48 8b 1c 25 08 90 a3 92 48 81 c3 44 04 00 00 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 <84> c0 75 18 ff 03 8b 03 3d 00 00 00 40 7d 07 5b c3 cc cc cc cc cc
RSP: 0018:ffffc90000117428 EFLAGS: 00000a03
RAX: 0000000000000000 RBX: ffff88801ce95e44 RCX: dffffc0000000000
RDX: dffffc0000000000 RSI: ffffffff818d73fe RDI: ffffc90000117508
RBP: dffffc0000000000 R08: ffffc900001175d0 R09: 000000000000000a
R10: ffffc90000117558 R11: ffffffff81ac7420 R12: 1ffff92000022ea1
R13: ffffc90000117540 R14: ffffc90000117508 R15: ffffc90000117da0
 rcu_read_lock include/linux/rcupdate.h:839 [inline]
 class_rcu_constructor include/linux/rcupdate.h:1155 [inline]
 unwind_next_frame+0x9e/0x2390 arch/x86/kernel/unwind_orc.c:479
 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:68
 kasan_save_free_info+0x46/0x50 mm/kasan/generic.c:576
 poison_slab_object mm/kasan/common.c:247 [inline]
 __kasan_slab_free+0x62/0x70 mm/kasan/common.c:264
 kasan_slab_free include/linux/kasan.h:233 [inline]
 slab_free_hook mm/slub.c:2417 [inline]
 slab_free mm/slub.c:4680 [inline]
 kmem_cache_free+0x18f/0x400 mm/slub.c:4782
 skb_release_data+0x62d/0x7c0 net/core/skbuff.c:1087
 skb_release_all net/core/skbuff.c:1152 [inline]
 __kfree_skb net/core/skbuff.c:1166 [inline]
 sk_skb_reason_drop+0x127/0x170 net/core/skbuff.c:1204
 kfree_skb_reason include/linux/skbuff.h:1275 [inline]
 kfree_skb include/linux/skbuff.h:1284 [inline]
 ieee80211_iface_work+0x997/0xfe0 net/mac80211/iface.c:1724
 cfg80211_wiphy_work+0x2df/0x460 net/wireless/core.c:435
 process_one_work kernel/workqueue.c:3239 [inline]
 process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3322
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3403
 kthread+0x70e/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
CR2: ffffffff00000000
---[ end trace 0000000000000000 ]---
RIP: 0010:0xffffffff00000000
Code: Unable to access opcode bytes at 0xfffffffeffffffd6.
RSP: 0018:ffffc90000a08bd8 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff8880814f4000 RCX: 582a5824d2218700
RDX: 0000000000000001 RSI: ffffffff8db9b790 RDI: ffff8880814f4000
RBP: ffffc90000a08e30 R08: 0000000000000000 R09: ffffffff81a83334
R10: dffffc0000000000 R11: ffffffff00000000 R12: ffffffff00000000
R13: ffffffff81a83334 R14: 1ffff1101029e801 R15: ffff8880814f4008
FS:  0000000000000000(0000) GS:ffff888125ce7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffeffffffd6 CR3: 000000007721e000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	f3 0f 1e fa          	endbr64
   4:	53                   	push   %rbx
   5:	65 48 8b 1c 25 08 90 	mov    %gs:0xffffffff92a39008,%rbx
   c:	a3 92
   e:	48 81 c3 44 04 00 00 	add    $0x444,%rbx
  15:	48 89 d8             	mov    %rbx,%rax
  18:	48 c1 e8 03          	shr    $0x3,%rax
  1c:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  23:	fc ff df
  26:	0f b6 04 08          	movzbl (%rax,%rcx,1),%eax
* 2a:	84 c0                	test   %al,%al <-- trapping instruction
  2c:	75 18                	jne    0x46
  2e:	ff 03                	incl   (%rbx)
  30:	8b 03                	mov    (%rbx),%eax
  32:	3d 00 00 00 40       	cmp    $0x40000000,%eax
  37:	7d 07                	jge    0x40
  39:	5b                   	pop    %rbx
  3a:	c3                   	ret
  3b:	cc                   	int3
  3c:	cc                   	int3
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3